diff --git a/extensions/typescript-language-features/package.json b/extensions/typescript-language-features/package.json
index 9bb562b12a9..bbfa4572168 100644
--- a/extensions/typescript-language-features/package.json
+++ b/extensions/typescript-language-features/package.json
@@ -505,10 +505,24 @@
         "javascript.implicitProjectConfig.checkJs": {
           "type": "boolean",
           "default": false,
-          "description": "%javascript.implicitProjectConfig.checkJs%",
+          "markdownDescription": "%configuration.implicitProjectConfig.checkJs%",
+          "markdownDeprecationMessage": "%configuration.javascript.checkJs.checkJs.deprecation%",
+          "scope": "window"
+        },
+        "js/ts.implicitProjectConfig.checkJs": {
+          "type": "boolean",
+          "default": false,
+          "markdownDescription": "%configuration.implicitProjectConfig.checkJs%",
           "scope": "window"
         },
         "javascript.implicitProjectConfig.experimentalDecorators": {
+          "type": "boolean",
+          "default": false,
+          "markdownDescription": "%configuration.implicitProjectConfig.experimentalDecorators%",
+          "markdownDeprecationMessage": "%configuration.javascript.implicitProjectConfig.experimentalDecorators.deprecation%",
+          "scope": "window"
+        },
+        "js/ts.implicitProjectConfig.experimentalDecorators": {
           "type": "boolean",
           "default": false,
           "markdownDescription": "%configuration.implicitProjectConfig.experimentalDecorators%",
diff --git a/extensions/typescript-language-features/package.nls.json b/extensions/typescript-language-features/package.nls.json
index d6f2b9cdcb6..6bf07350127 100644
--- a/extensions/typescript-language-features/package.nls.json
+++ b/extensions/typescript-language-features/package.nls.json
@@ -46,7 +46,6 @@
 	"typescript.restartTsServer": "Restart TS server",
 	"typescript.selectTypeScriptVersion.title": "Select TypeScript Version...",
 	"typescript.reportStyleChecksAsWarnings": "Report style checks as warnings.",
-	"javascript.implicitProjectConfig.checkJs": "Enable/disable semantic checking of JavaScript files. Existing jsconfig.json or tsconfig.json files override this setting.",
 	"typescript.npm": "Specifies the path to the npm executable used for Automatic Type Acquisition.",
 	"typescript.check.npmIsInstalled": "Check if npm is installed for Automatic Type Acquisition.",
 	"configuration.suggest.names": "Enable/disable including unique names from the file in JavaScript suggestions. Note that name suggestions are always disabled in JavaScript code that is semantically checked using `@ts-check` or `checkJs`.",
@@ -62,7 +61,10 @@
 	"configuration.tsserver.maxTsServerMemory": "Set the maximum amount of memory (in MB) to allocate to the TypeScript server process",
 	"configuration.tsserver.experimental.enableProjectDiagnostics": "(Experimental) Enables project wide error reporting.",
 	"typescript.locale": "Sets the locale used to report JavaScript and TypeScript errors. Default of `null` uses VS Code's locale.",
+	"configuration.implicitProjectConfig.checkJs": "Enable/disable semantic checking of JavaScript files. Existing `jsconfig.json` or `tsconfig.json` files override this setting.",
+	"configuration.javascript.checkJs.checkJs.deprecation": "This setting has been deprecated in favor of `#js/ts.implicitProjectConfig.checkJs#`.",
 	"configuration.implicitProjectConfig.experimentalDecorators": "Enable/disable `experimentalDecorators` in JavaScript files that are not part of a project. Existing `jsconfig.json` or `tsconfig.json` files override this setting.",
+	"configuration.javascript.checkJs.experimentalDecorators.deprecation": "This setting has been deprecated in favor of `#js/ts.implicitProjectConfig.experimentalDecorators#`.",
 	"configuration.implicitProjectConfig.strictNullChecks": "Enable/disable [strict null checks](https://www.typescriptlang.org/tsconfig#strictNullChecks) in JavaScript and TypeScript files that are not part of a project. Existing `jsconfig.json` or `tsconfig.json` files override this setting.",
 	"configuration.implicitProjectConfig.strictFunctionTypes": "Enable/disable [strict function types](https://www.typescriptlang.org/tsconfig#strictFunctionTypes) in JavaScript and TypeScript files that are not part of a project. Existing `jsconfig.json` or `tsconfig.json` files override this setting.",
 	"configuration.suggest.autoImports": "Enable/disable auto import suggestions.",
diff --git a/extensions/typescript-language-features/src/utils/configuration.ts b/extensions/typescript-language-features/src/utils/configuration.ts
index 4a3d342590b..9cf827fb5d5 100644
--- a/extensions/typescript-language-features/src/utils/configuration.ts
+++ b/extensions/typescript-language-features/src/utils/configuration.ts
@@ -69,11 +69,13 @@ export class ImplicitProjectConfiguration {
 	}
 
 	private static readCheckJs(configuration: vscode.WorkspaceConfiguration): boolean {
-		return configuration.get<boolean>('javascript.implicitProjectConfig.checkJs', false);
+		return configuration.get<boolean>('js/ts.implicitProjectConfig.checkJs')
+			?? configuration.get<boolean>('javascript.implicitProjectConfig.checkJs', false);
 	}
 
 	private static readExperimentalDecorators(configuration: vscode.WorkspaceConfiguration): boolean {
-		return configuration.get<boolean>('javascript.implicitProjectConfig.experimentalDecorators', false);
+		return configuration.get<boolean>('js/ts.implicitProjectConfig.experimentalDecorators')
+			?? configuration.get<boolean>('javascript.implicitProjectConfig.experimentalDecorators', false);
 	}
 
 	private static readImplicitStrictNullChecks(configuration: vscode.WorkspaceConfiguration): boolean {